Magazine-camera



(No Model.) 2 Sheets-Sheet 2.

J. J. CHASE.

MAGAZINE CAMERA.

N0. 604,204. Patented May 17,1898.

yugA- Y TALE i? I a 8% Q1, Whassgs I Am wkm I F I p F V J 7 7 view of the plate-holder.

UNiTnn STATES PATENT @rrrcn.

JACOB J. CHASE, OF NEWVBURYPORT, MASSACHUSETTS.

MAGAZIN E=CAM ERA.

SPECIFICATION forming part of Letters Patent No. 604,204, dated May 17, 1898.

Application filed October 29, 1897. Serial No. 656,736. (No model.)

1'0 a whom it may concern:

Be it known that I, JACOB J. CHASE, of N ew buryport, in the county of Essex and State of Massachusetts, have invented new and useful Improvements in Photograph-Cameras, of which the following, taken in connection with the accompanying drawings, is a specification.

Figure 1 is a sectional view of my camera cut through the center. Fig. 2 is a sectional view of the plate-holder. Fig. 3 is an end Fig. 4 is a sectional View of my camera cut at the same place as shown in Fig. 1, showing the plate-holder in position. Fig. 5 is a view of the plate-holder F cut through the center. Fig. (i is a view of the thumb-piece, rod, and arms.

Similar letters refer to similar parts thro u ghout the several views.

The object of my invention is to furnish a magazine-camera provided with suitable means for carrying a number of dry-plates and safely disposing of them after they have been exposed.

Heretofore dry-plates have been held in very cumbersome holders which allowed but very imperfect means of moving after exposure, while in my device the plates are moved with a positive action and carried down gently without any scratching or marring of the plate. Furthermore, the plate-holders are very light and do not add materially to the weight of the camera.

My invention is constructed in the following manner:

The box or camera itself I prefer to make of wood covered with leather or leatherette; but any suitable material may be used.

Extending across the lower corner of the camera nearest the operator is a round metal rod, as indicated at P in Figs. 1 and 4. This is connected with a thumb-piece on the outside of the box, as shown and indicated by U in Figs. 1 and 4. To this rod are attached the parallel arms A, which are alike on both sides. These parallel arms I prefer to make of steel, but of course do not confine myself to this material, as any suitable metal may be used.

The levers O, which are alike on both sides, I make of brass or other suitable material, the upper edges of which are made semicircular, as shown in Figs. 1 and 4C, and this makes a bearing-surface for the roller B, so that when the parallel bars A are made-to take an upright position by means of the outside thumb-piece in the hands of the operator the roller B, acting on this semicircular surface, forces the levers 0 down. Attached to these levers C are two brass pawls, (indicated at Q in Fig. 1.) These pawls when the levers C are forced downward by the action of the roller B on the semicircular edge press the plate-holder downward over the beveled edge of the spring-clip R, which is shown in Figs. 1 and 4, into the plate-holder guide D.

The plates are inserted by removing the door S in the back of the camera, laying them on the ledge V (shownin Figs. 1 and 4) and on the top of the plate-holder guides D, and they are held in position by the spring W. (Shown in Figs. 1 and 4:.) This spring W is attached to the door S, as shown. The exposure of the first plate is then made, and the arms are brought up by means of the thumbpiece sufficiently far to pass under the plates, thus causing the roller B to run over the semicircular edge of the lever C, forcing it and the pawl downward over the spring-clip B into the plate-holder guide and low enough to allow the parallel arms N to engageiand carry it forward against the springs E, as shown in Fig. 4, to the bottom of the camera, the springs E serving to hold the plate in its proper position at the bottom of the camera.

The plate-holdersan other very important feature of my invention-are made of sheetbrass or other like material, so that they can be bent readily to allow the plate to be inserted. After the plate is inserted it is held securely in place by the retaining-catches G, which are struck up from the plate-holder itself.

The brass rods at the top and bottom of the plate-holder are made to extend beyond the sides of the holder, as shown in Fig. 5, for the parallel arms A to catch and force down against the coiled springs E to the bottom of the camera, as heretofore explained.

The exposed plates are taken out of the camera by taking out the door at the bottom. This door is shown in Figs. 1 and 4:.

The camera will work in any position and does not depend upon gravity at all.

The removable door in the bottom of the camera, which is shown in Figs. 1 and 4-, is made of the same material as the camera and is constructed so as to fit squarely, so that it is perfectly even with the bottom and lighttight. It is held in place by any approved device for locking and is removed by the operator when it is necessary to take out the exposed plates.

I'Iaving thus described my invention, what I claim as new, and desire to protect by Letters Patent, is-

1. A magazine-camera having fixed sides and top, a removable door in back and bottom, two parallel arms A, located on each side of the interior of the camera, said parallel arms being attached to the rod P which extends across the lower corner of the camera and to which is attached a thumb-piece which is adapted to be operated on the outside; two rollers '13, attached to the inside of said parallel arms, said rollers running over the semicircular edges of the two levers C; said levers beinglooselyattached to the frame which also serves as a plate-holder guide; these levers on being pressed downward force the plate-holders down so that the extended tops of the plate-holders are released from theprojecting ledge V, below the tops of said parallel arms, for the purpose and in the manner described.

2. In a magazine-camera the combination of the two parallel arms A, the rod P, which extends through the lower corner of the box and adapted to be operated by an outside thumb-piece, the two rollers B, which are attached to each of the parallel arms, the two levers 0, having semicircular edges, substantially for the purpose described.

3. In a magazine-camera the combination of the two parallel arms A, the red I which extends through the lower corner of the camera-box and adapted to be operated by an out side thumb-piece U, the two rollers 13, which are attached to each of the parallel arms, the two levers 0, having semicircular edges and the two pawls Q, which are attached to said levers, substantially for the purpose described.

4. In a magazine-camera having fixed sides and top and removable doors in the back and bottom, the combination of two parallel arms A, which are attached to and turn with a rod I which extends across the lower corner of the camera-box said rod adapted to be turned by an exterior thumb-piece U; two rollers L, attached to said parallel arms, said rollers being adapted to run over the semicircular edges of the two levers C; two pawls (,2, attached to said levers, the two sprii'lg-clips It, and the spiral springs E, which are diagonally attached to the top and bottom of the camera inside, for the purpose specified.

In testimony whereof I have signed my name to this specification, in the presence of two subscribing witnesses, on this 23d day of October, A. D. 1897.

JACOB .T. CHASE.

Witnesses:

LEONARD S. DAVIS, FRANK II. DAVIS. 

